How to Measure Sticky Growth?

The central theme i'm going to go through is sustain ability. There's a lot of by such inimal growth. The only thing that really matters here is that you deliver a good experience. And the way to measure this, and how you're doing over time, or whether you know you are providing a good sticky growth,. Does anyone not know what ord analysiss or? Should i go over it? Oh, e, i'll go over it.